He waded rivers and climbed mountains.
The largest of the rivers through which Argentina drains into the Plata system are the Pilcomayo, which rises in Bolivia and flows south-east along the Argentine frontier for about 400 m.; the Bermejo, which rises on the northern frontier and flows south-east into the Paraguay; and the Salado del Norte (called Rio del Juramento in its upper course), which rises on the high mountain slopes of western Salta and flows south-east into the Parana.
The ground to the right--along the course of the Kolocha and Moskva rivers--was broken and hilly.
Alone among French rivers, the Rhne, itself Alpine in character in its upper course, is partly fed by Alpine rivers (the Arve, the Isre and the Durance) which have their floodsin spring at the melting of the snow, and are maintained by glacierwater in summer.
In it there are numberless trees and flowers and rivers and waterfalls, and other things to make the heart glad.